/* ═══════════════════════════════════════════
   DESIGN TOKENS
   ═══════════════════════════════════════════ */
:root {
  /* Colors */
  --bg-deep: #060918;
  --bg-dark: #0a0e27;
  --bg-surface: #111640;
  --bg-light: #f7f8fc;
  --bg-white: #ffffff;

  --text-primary: #ffffff;
  --text-secondary: #94a3c0;
  --text-dark: #1e293b;
  --text-muted: #64748b;

  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --accent-glow: rgba(59, 130, 246, 0.3);
  --accent-subtle: rgba(59, 130, 246, 0.08);

  --border: rgba(255, 255, 255, 0.08);
  --border-light: rgba(0, 0, 0, 0.06);

  /* Typography */
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'DM Sans', sans-serif;

  /* Spacing */
  --section-pad: clamp(80px, 10vw, 140px);
  --container: 1200px;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
}

/* ═══════════════════════════════════════════
   RESET & BASE
   ═══════════════════════════════════════════ */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  color: var(--text-dark);
  background: var(--bg-white);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
}

ul { list-style: none; }
img { max-width: 100%; display: block; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 48px);
}

.hide-mobile {
  display: inline;
}

/* ═══════════════════════════════════════════
   SHARED SECTION STYLES
   ═══════════════════════════════════════════ */
.section-header {
  text-align: center;
  margin-bottom: clamp(48px, 6vw, 80px);
}

.section-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 20px;
}

.section-desc {
  font-size: clamp(1rem, 1.2vw, 1.15rem);
  color: var(--text-muted);
  max-width: 540px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ═══════════════════════════════════════════
   BUTTONS
   ═══════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: all 0.3s var(--ease-out);
}

.btn--primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 20px var(--accent-glow);
}

.btn--primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--accent-glow);
}

.btn--ghost {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border);
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn--outline {
  background: transparent;
  color: var(--accent);
  border: 2px solid var(--accent);
}

.btn--outline:hover {
  background: var(--accent);
  color: #fff;
}

.btn--large {
  padding: 16px 32px;
  font-size: 1rem;
}

/* ═══════════════════════════════════════════
   NAVIGATION
   ═══════════════════════════════════════════ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: all 0.4s var(--ease-out);
}

.nav.is-scrolled {
  padding: 12px 0;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-light);
}

.nav__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 48px);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 32px;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  transition: color 0.4s;
}

.nav.is-scrolled .nav__logo {
  color: var(--text-dark);
}

.nav__logo-mark {

  height: 28px;
  border-radius: 8px;
  /* background: var(--accent); */
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s var(--ease-out);
}

.nav__logo:hover .nav__logo-mark {
  transform: rotate(12deg) scale(1.1);
}

.nav__links {
  display: flex;
  gap: 36px;
}

.nav__link {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.75);
  position: relative;
  padding: 4px 0;
  transition: color 0.3s;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s var(--ease-out);
}

.nav__link:hover {
  color: #fff;
}

.nav__link:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav.is-scrolled .nav__link {
  color: var(--text-muted);
}

.nav.is-scrolled .nav__link:hover {
  color: var(--text-dark);
}

.nav__cta {
  justify-self: end;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 10px 22px;
  background: var(--accent);
  color: #fff;
  border-radius: 8px;
  transition: all 0.3s var(--ease-out);
}

.nav__cta:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.nav.is-scrolled .nav__cta {
  background: var(--accent);
}

/* Hamburger */
.nav__hamburger {
  display: none;
  background: none;
  border: none;
  width: 28px;
  height: 20px;
  position: relative;
  cursor: pointer;
  justify-self: end;
}

.nav__hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s var(--ease-out);
  position: absolute;
  left: 0;
}

.nav__hamburger span:first-child { top: 0; }
.nav__hamburger span:last-child { top: 50%; transform: translateY(-50%); }

.nav.is-scrolled .nav__hamburger span {
  background: var(--text-dark);
}

.nav__hamburger.is-active span:first-child {
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
}

.nav__hamburger.is-active span:last-child {
  top: 50%;
  transform: translateY(-50%) rotate(-45deg);
}

/* Mobile menu */
.nav__mobile {
  display: none;
  padding: 0 clamp(20px, 4vw, 48px) 24px;
}

.nav__mobile-link {
  display: block;
  padding: 14px 0;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-light);
  transition: color 0.2s;
}

.nav__mobile-link:hover {
  color: var(--accent);
}

.nav__mobile-cta {
  display: inline-block;
  margin-top: 20px;
  padding: 12px 28px;
  background: var(--accent);
  color: #fff;
  border-radius: 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9rem;
}

/* ═══════════════════════════════════════════
   HERO — Full-bleed dark
   ═══════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-deep);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  animation: orbFloat 20s var(--ease-in-out) infinite;
}

.hero__orb--1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
  top: -10%;
  right: -5%;
  animation-delay: 0s;
}

.hero__orb--2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, #8b5cf6 0%, transparent 70%);
  bottom: -5%;
  left: -5%;
  animation-delay: -7s;
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black 20%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 50%, black 20%, transparent 100%);
}

@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -40px) scale(1.05); }
  66% { transform: translate(-20px, 30px) scale(0.95); }
}

.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  padding: 0 clamp(20px, 4vw, 48px);
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 100px;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 32px;
  backdrop-filter: blur(10px);
  opacity: 0;
  transform: translateY(20px);
  animation: heroFadeIn 0.8s var(--ease-out) 0.2s forwards;
}

.hero__badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 8px rgba(34, 197, 94, 0.6);
}

.hero__title {
  margin-bottom: 24px;
  opacity: 0;
  transform: translateY(30px);
  animation: heroFadeIn 0.8s var(--ease-out) 0.4s forwards;
}

.hero__title-brand {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 10vw, 7rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
  background: linear-gradient(135deg, #fff 0%, var(--accent) 50%, #8b5cf6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 16px;
}

.hero__title-sub {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  font-weight: 400;
  color: var(--text-secondary);
  letter-spacing: 0.08em;
}

.hero__desc {
  font-size: clamp(1rem, 1.3vw, 1.15rem);
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 40px;
  opacity: 0;
  transform: translateY(20px);
  animation: heroFadeIn 0.8s var(--ease-out) 0.6s forwards;
}

.hero__actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(20px);
  animation: heroFadeIn 0.8s var(--ease-out) 0.8s forwards;
}

@keyframes heroFadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero__scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollPulse 2s var(--ease-in-out) infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.5); transform-origin: top; }
  50% { opacity: 1; transform: scaleY(1); transform-origin: top; }
}

/* ═══════════════════════════════════════════
   SERVICES
   ═══════════════════════════════════════════ */
.services {
  padding: var(--section-pad) 0;
  background: var(--bg-white);
}

.services .section-title {
  color: var(--text-dark);
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  padding: 36px 32px;
  border-radius: 16px;
  border: 1px solid var(--border-light);
  transition: all 0.4s var(--ease-out);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), #8b5cf6);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease-out);
}

.service-card:hover {
  border-color: transparent;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.08);
  transform: translateY(-4px);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card__icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--accent-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--accent);
}

.service-card__icon svg {
  width: 24px;
  height: 24px;
}

.service-card__title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 10px;
}

.service-card__desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ═══════════════════════════════════════════
   ABOUT
   ═══════════════════════════════════════════ */
.about {
  padding: var(--section-pad) 0;
  background: var(--bg-light);
}

.about__layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: center;
}

.about__visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 400px;
}

.about__ring {
  width: 260px;
  height: 260px;
  border-radius: 50%;
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  animation: ringRotate 30s linear infinite;
}

@keyframes ringRotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.about__ring-inner {
  position: absolute;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  border: 1px dashed rgba(59, 130, 246, 0.3);
}

.about__ring-text {
  text-align: center;
  animation: ringRotate 30s linear infinite reverse;
}

.about__ring-text span {
  display: block;
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
}

.about__ring-text small {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.about__stat {
  position: absolute;
  text-align: center;
  padding: 12px 20px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
}

.about__stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-dark);
}

.about__stat span {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.about__stat--1 { top: 5%; left: 5%; }
.about__stat--2 { top: 10%; right: 0; }
.about__stat--3 { bottom: 5%; left: 15%; }

.about__content .section-title {
  color: var(--text-dark);
}

.about__text {
  font-size: 1rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 16px;
}

.about__certs {
  display: flex;
  gap: 20px;
  margin-top: 28px;
  flex-wrap: wrap;
}

.about__cert {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background: #fff;
  border-radius: 8px;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-dark);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.about__cert svg {
  color: var(--accent);
  flex-shrink: 0;
}

/* ═══════════════════════════════════════════
   PROCESS
   ═══════════════════════════════════════════ */
.process {
  padding: var(--section-pad) 0;
  background: var(--bg-deep);
  color: var(--text-primary);
}

.process .section-title {
  color: var(--text-primary);
}

.process .section-desc {
  color: var(--text-secondary);
}

.process__steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.process__step {
  padding: 32px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
  transition: all 0.4s var(--ease-out);
  position: relative;
}

.process__step:hover {
  border-color: rgba(59, 130, 246, 0.3);
  background: rgba(59, 130, 246, 0.04);
  transform: translateY(-4px);
}

.process__step-num {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 16px;
  opacity: 0.7;
}

.process__step-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.process__step-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ═══════════════════════════════════════════
   CASES
   ═══════════════════════════════════════════ */
.cases {
  padding: var(--section-pad) 0;
  background: var(--bg-white);
}

.cases .section-title {
  color: var(--text-dark);
}

.cases__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 24px;
}

.case-card {
  padding: 36px 32px;
  border-radius: 16px;
  border: 1px solid var(--border-light);
  transition: all 0.4s var(--ease-out);
  background: var(--bg-light);
}

.case-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.06);
}

.case-card--large {
  grid-row: 1 / 3;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: linear-gradient(135deg, #0f172a, #1e293b);
  color: var(--text-primary);
  border-color: transparent;
}

.case-card__tag {
  display: inline-block;
  padding: 5px 14px;
  border-radius: 100px;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  background: var(--accent-subtle);
  color: var(--accent);
  margin-bottom: 18px;
}

.case-card--large .case-card__tag {
  background: rgba(59, 130, 246, 0.15);
}

.case-card__title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-dark);
}

.case-card--large .case-card__title {
  color: var(--text-primary);
  font-size: 1.5rem;
}

.case-card__desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 24px;
}

.case-card--large .case-card__desc {
  color: var(--text-secondary);
}

.case-card__metrics {
  display: flex;
  gap: 40px;
  margin-top: auto;
}

.case-card__metric strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent);
}

.case-card__metric span {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* ═══════════════════════════════════════════
   CTA
   ═══════════════════════════════════════════ */
.cta {
  padding: var(--section-pad) 0;
  background: var(--bg-light);
}

.cta__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 60px;
  align-items: center;
  padding: clamp(48px, 6vw, 72px);
  background: linear-gradient(135deg, #0f172a, #1a1f3a);
  border-radius: 24px;
  color: var(--text-primary);
  position: relative;
  overflow: hidden;
}

.cta__inner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.cta__title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
}

.cta__desc {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 32px;
}

.cta__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.cta__qr {
  position: relative;
  z-index: 1;
}

.cta__qr-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 24px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 16px;
  border: 1px solid var(--border);
}

.cta__qr-placeholder {
  width: 120px;
  height: 120px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dark);
}

.cta__qr-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* ═══════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════ */
.footer {
  padding: 60px 0 0;
  background: var(--bg-deep);
  color: var(--text-secondary);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 60px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--border);
}

.footer__logo {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
  display: block;
  margin-bottom: 8px;
}

.footer__tagline {
  font-size: 0.9rem;
}

.footer__links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.footer__col h4 {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}

.footer__col a,
.footer__col span {
  display: block;
  font-size: 0.88rem;
  color: var(--text-secondary);
  padding: 4px 0;
  transition: color 0.2s;
}

.footer__col a:hover {
  color: var(--text-primary);
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  font-size: 0.8rem;
  color: var(--text-secondary);
  opacity: 0.6;
}

/* ═══════════════════════════════════════════
   SCROLL REVEAL
   ═══════════════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered children */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out);
}

.reveal-stagger.is-visible > * {
  opacity: 1;
  transform: translateY(0);
}

.reveal-stagger.is-visible > *:nth-child(1) { transition-delay: 0.05s; }
.reveal-stagger.is-visible > *:nth-child(2) { transition-delay: 0.1s; }
.reveal-stagger.is-visible > *:nth-child(3) { transition-delay: 0.15s; }
.reveal-stagger.is-visible > *:nth-child(4) { transition-delay: 0.2s; }
.reveal-stagger.is-visible > *:nth-child(5) { transition-delay: 0.25s; }
.reveal-stagger.is-visible > *:nth-child(6) { transition-delay: 0.3s; }

/* ═══════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════ */
@media (max-width: 1024px) {
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .process__steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .about__layout {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .about__visual {
    min-height: 300px;
  }
}

@media (max-width: 768px) {
  .hide-mobile { display: none; }

  /* Nav */
  .nav__inner {
    grid-template-columns: 1fr 1fr;
  }

  .nav__links,
  .nav__cta {
    display: none;
  }

  .nav__hamburger {
    display: block;
  }

  .nav__mobile.is-open {
    display: block;
  }

  /* Hero */
  .hero__title-brand {
    font-size: clamp(2.5rem, 12vw, 4rem);
  }

  .hero__actions {
    flex-direction: column;
    align-items: center;
  }

  .btn--ghost {
    color: var(--text-secondary);
    border-color: var(--border);
  }

  .hero__scroll-hint {
    display: none;
  }

  /* Services */
  .services__grid {
    grid-template-columns: 1fr;
  }

  /* Process */
  .process__steps {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  /* Cases */
  .cases__grid {
    grid-template-columns: 1fr;
  }

  .case-card--large {
    grid-row: auto;
  }

  .case-card__metrics {
    gap: 24px;
  }

  /* About stats */
  .about__stat--2 {
    right: auto;
    left: 50%;
    transform: translateX(-50%);
  }

  .about__certs {
    flex-direction: column;
  }

  /* CTA */
  .cta__inner {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 40px 24px;
  }

  .cta__actions {
    justify-content: center;
  }

  .cta__qr {
    display: flex;
    justify-content: center;
  }

  /* Footer */
  .footer__inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer__links {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer__bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .footer__links {
    grid-template-columns: 1fr;
  }
}

/* ═══════════════════════════════════════════
   REDUCED MOTION
   ═══════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal,
  .reveal-stagger > * {
    opacity: 1;
    transform: none;
  }
}